AB2.H1.5D2 Brunner's Glands

Micrograph of Brunner's Glands:

    Villa Transverse Section
  • In this micrograph, identify the mucous membrane (MM) with villi and the muscularis externa (ME)
  • The intervening submucosa is occupied by large mucus secreting glands, known as Brunner's glands
  • These are only found in the submucosa of the first part of the duodenum

Question:

    Where is the muscularis mucosae located?